The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.0.18.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source an
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.1.9.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source and
The Cassandra team is pleased to announce the release of Apache
Cassandra version 5.0.4.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source and
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.0.15.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source a
[RELEASE] Apache Cassandra 4.1.6 released
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.1.6.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://ca
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.0.13.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source a
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.1.5.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source an
It was reported in CASSANDRA-18307 that the Debian and Redhat packages
for 4.0.8 did not make it to the jfrog repository - this has now been
corrected, sorry for any inconvenience.
Kind Regards,
Brandon
On Tue, Feb 14, 2023 at 3:39 PM Miklosovic, Stefan
wrote:
>
> The Cassandra team is pleased t
Agreed, I've opened CASSANDRA-17376 to handle this.
On Fri, Feb 11, 2022 at 4:44 PM Jeff Jirsa wrote:
>
> We don't HAVE TO remove the Config.java entry - we can mark it as deprecated
> and ignored and remove it in a future version (and you could update
> Config.java to log a message about havin
https://issues.apache.org/jira/browse/CASSANDRA-5883
As that ticket shows, Apache Cassandra has never used log4j2.
On Sat, Dec 11, 2021 at 11:07 AM Abdul Patel wrote:
>
> Hi all,
>
> Any idea if any of open source Cassandra versions are impacted with log4j
> vulnerability which was reported on
The Cassandra team is pleased to announce the release of Apache
Cassandra version 3.11.11.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source
The Cassandra team is pleased to announce the release of Apache
Cassandra version 3.0.25.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source a
The Cassandra team is pleased to announce the release of Apache
Cassandra version 4.0.0.
Apache Cassandra is a fully distributed database. It is the right
choice when you need scalability and high availability without
compromising performance.
http://cassandra.apache.org/
Downloads of source and
Versions Affected:
All versions prior to: 2.1.22, 2.2.18, 3.0.22, 3.11.8 and 4.0-beta2
Description:
Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77;
Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to
affect confidentiality, integrity, and availability via vecto
The only progress from this point is what Jon said: enumerate and detail
your issues in jira tickets.
On Wed, Feb 21, 2018 at 4:53 PM, Kenneth Brotman <
kenbrot...@yahoo.com.invalid> wrote:
> Hi Akash,
>
> I get the part about outside work which is why in replying to Jeff Jirsa I
> was suggesting
I don't disagree with you there and have never liked TWO/THREE. This is
somewhat relevant: https://issues.apache.org/jira/browse/CASSANDRA-2338
I don't think going to CL.FOUR, etc, is a good long-term solution, but I'm
also not sure what is.
On Thu, Jun 8, 2017 at 11:20 PM, Dikang Gu wrote:
>
We have CL.TWO.
On Thu, Jun 8, 2017 at 10:03 PM, Dikang Gu wrote:
> So, for the quorum, what we really want is that there is one overlap among
> the nodes in write path and read path. It actually was my assumption for a
> long time that we need (N/2 + 1) for write and just need (N/2) for read,
>
On Tue, Feb 12, 2013 at 6:13 PM, Edward Capriolo wrote:
>
> Are vnodes on by default. It seems that many on list are using this feature
> with small clusters.
They are not.
-Brandon
On Wed, Jan 16, 2013 at 2:37 PM, wrote:
> Here is the point. You're right this github repository has not been updated
> for a year and a half. I thought brisk was just a bundle of some technologies
> and that it was possible to install the same components and make them work
> together without
On Thu, Nov 8, 2012 at 1:33 PM, Aaron Turner wrote:
> There are also ways to bring up a test node and just run Level Compaction on
> that. Wish I had a URL handy, but hopefully someone else can find it.
This rather handsome fellow wrote a blog about it:
http://www.datastax.com/dev/blog/whats-new
On Thu, Nov 1, 2012 at 10:05 PM, Manu Zhang wrote:
>
>> it will migrate you to virtual nodes by splitting the existing partition
>> 256 ways.
>
>
> Out of curiosity, is it for the purpose of avoiding streaming?
It splits into a contiguous range, because truly upgrading to vnode
functionality is a
On Sun, Oct 21, 2012 at 6:44 PM, aaron morton wrote:
> I *think* this may be ghost rows which have not being compacted.
You would be correct in the case of 1.0.8:
https://issues.apache.org/jira/browse/CASSANDRA-3955
-Brandon
On Wed, Jul 25, 2012 at 6:16 PM, Eran Chinthaka Withana
wrote:
> Alright, lets assume I want to go on this route. I have RF=2 in the data
> center and I believe I need at least RF=3 to set the replication to
> LOCAL_QUORUM and hide the node failures. But if I increase the RF to 3 now
> then won't
On Mon, Jul 23, 2012 at 10:24 PM, Eran Chinthaka Withana
wrote:
> Thanks Brandon for the answer (and I didn't know driftx = Brandon Williams.
> Thanks for your awesome support in Cassandra IRC)
Thanks :)
> Increasing CL is tricky for us for now, as our RF on that datacenter is 2
&
On Mon, Jul 23, 2012 at 6:26 PM, Eran Chinthaka Withana
wrote:
> Method 1: I copied the data from all the nodes in that data center, into the
> repaired node, and brought it back up. But because of the rate of updates
> happening, the read misses started going up.
That's not really a good method
On Mon, Jul 2, 2012 at 10:35 AM, Brian Jeltema
wrote:
> I can't tell whether the bulk load process recovered from the transient dead
> node, or whether I need to start over.
>
> Does anybody know?
You need to start over if the failure detector tripped, but it will
retry a few times for regular n
This sounds related to https://issues.apache.org/jira/browse/CASSANDRA-4251
On Thu, Jun 7, 2012 at 5:28 PM, Bryce Godfrey wrote:
> As the new node starts up I get this error before boostrap starts:
>
>
>
> INFO 08:20:51,584 Enqueuing flush of Memtable-schema_columns@1493418651(0/0
> serialized/li
Perhaps the deletes: https://issues.apache.org/jira/browse/CASSANDRA-3741
-Brandon
On Sun, Jun 3, 2012 at 6:12 PM, Poziombka, Wade L
wrote:
> Running a very write intensive (new column, delete old column etc.) process
> and failing on memory. Log file attached.
>
> Curiously when I add new dat
Nodes don't move themselves, you likely have some kind of 'bouncing
gossip' issue where a node was removed/replaced and is hanging around,
but only periodically held in statee between nodes. Unfortunately
node removal is very prone to this before 0.8.3 and even after that,
you can't fix it without
On Thu, May 24, 2012 at 3:36 PM, Henrik Schröder wrote:
>> That sounds fine, with the caveat that you can't run sstableloader
>> from a machine running Cassandra before 1.1, so copying the sstables
>> manually (assuming both clusters are the same size and have the same
>> tokens) might be better.
On Thu, May 24, 2012 at 1:50 PM, Henrik Schröder wrote:
> Ok. It's important for us to not have any downtime, so how about this
> solution:
>
> We startup the Linux cluster independently.
> We configure our application to send all Cassandra writes to both clusters,
> but only read from the Windows
On Thu, May 24, 2012 at 12:41 PM, Henrik Schröder wrote:
> We're running version 1.0.8. Is this fixed in a later release? Will this be
> fixed in a later release?
No, mixed-OS clusters are unsupported.
> Are there any other ways of doing the migration? What happens if we join the
> new servers w
On Wed, May 23, 2012 at 5:51 AM, Viktor Jevdokimov <
viktor.jevdoki...@adform.com> wrote:
> > When RF == number of nodes, and you read at CL ONE you will always be
> reading locally.
>
> “always be reading locally” – only if Dynamic Snitch is “off”. With
> dynamic snitch “on” request may be r
Probably https://issues.apache.org/jira/browse/CASSANDRA-4230
On Tue, May 15, 2012 at 4:08 PM, Bryan Fernandez wrote:
> Greetings,
>
> We recently upgraded from 1.0.8 to 1.1.0. Everything has been running fine
> with the exception of snapshots. When attempting to snapshot any of the
> nodes in ou
On Tue, May 15, 2012 at 12:53 AM, Ertio Lew wrote:
> @Brandon : I just created a jira issue to request this type of comparator
> along with Cassandra.
>
> It is about a UTF8 comparator that provides case insensitive ordering of
> columns.
> See issue here : https://issues.apache.org/jira/browse/CA
On Mon, May 14, 2012 at 1:11 PM, Ertio Lew wrote:
> I need to add a custom comparator to a cluster, to sort columns in a certain
> customized fashion. How do I add the class to the cluster ?
I highly recommend against doing this, because you'll be locked in to
your comparator and not have an eas
On Wed, May 2, 2012 at 2:23 PM, Shawna Qian wrote:
> Hello:
>
> I am trying to use bulkoutputformat and seeing some nice docs on how to use
> it to stream the data to an existing cassandra cluster using configHelper
> class. I am wondering if it is possible to use it just to stream the data
> (ss
Just ignore it: https://issues.apache.org/jira/browse/CASSANDRA-3955
On Mon, Mar 12, 2012 at 9:31 PM, Roshan wrote:
> Hi
>
> I have upgrade our development Cassandra cluster (2 nodes) from 1.0.6 to
> 1.0.8 version.
>
> After upgrade to 1.0.8 version, one node keep trying to send hints every 10
>
On Mon, Mar 12, 2012 at 4:44 AM, aaron morton wrote:
> I don't understand why I
> don't get multiple concurrent compactions running, that's what would
> make the biggest performance difference.
>
> concurrent_compactors
> Controls how many concurrent compactions to run, by default it's the number
On Wed, Mar 7, 2012 at 3:37 AM, aaron morton wrote:
> 2) Stop the node. Try to get remove the token again from another node. Node
> that removing a token will stream data around the place as well.
A node that has never fully joined doesn't need to be removed (and
can't.) Just shut it down and it
https://issues.apache.org/jira/browse/CASSANDRA-3955
On Fri, Mar 2, 2012 at 1:53 AM, Radim Kolar wrote:
> Can be something made to remove these empty delivery attempts from log?
>
> Its just tombstoned row.
>
> [default@system] list HintsColumnFamily;
> Using default limit of 100
> --
On Sat, Feb 25, 2012 at 3:39 PM, Aditya Gupta wrote:
> The output of nodetool ring after each addition of nodes, make just the last
> added node visible in the ring.
> When I retry to add the node(which are not visible) it says that it is
> already a part of the ring.
>
> Could you indicate how sh
re-verified :)
> I have split up the range into 4 parts for 4 nodes. I have specified that in
> the intial_token
>
>
> On Sun, Feb 26, 2012 at 12:33 AM, Brandon Williams wrote:
>>
>> My guess would be you're using the same token everywhere.
>>
>> -Brando
My guess would be you're using the same token everywhere.
-Brandon
On Sat, Feb 25, 2012 at 9:48 AM, Aditya Gupta wrote:
> While creating a multinode cluster, my nodes are unable to identify all the
> nodes in the cluster.
> Only the *last added' node is visible when I do:
> ./nodetool -h local
On Fri, Feb 24, 2012 at 10:46 AM, David Leimbach wrote:
>
>
> On Thu, Feb 23, 2012 at 7:54 PM, Martin Arrowsmith
> wrote:
>>
>> Hi Franc,
>>
>> Or, you can consider using composite columns. It is not recommended to use
>> Super Columns anymore.
>
>
> Yes, but why? Is it because composite columns
It's a special case of a single sstable existing for hints:
https://issues.apache.org/jira/browse/CASSANDRA-3955
On Fri, Feb 24, 2012 at 5:43 AM, Manoj Mainali wrote:
> Hi,
>
> I have been running Cassandra 1.0.7 and in the log file I see the log saying
>
> " Finished hinted handoff of 0 rows to
http://wiki.apache.org/cassandra/FAQ#ubuntu_hangs
On Fri, Feb 17, 2012 at 7:00 AM, Pierre-Yves Ritschard
wrote:
> Hi,
>
> I've experienced several node lock-ups on EC2 instances. I'm running
> with the following set-up:
>
> heap-new: 800M
> max-heap: 8G
> instance type: m2.xlarge
>
> java is
> j
Before 1.0.8, use https://issues.apache.org/jira/browse/CASSANDRA-3337
to remove it.
On Tue, Feb 14, 2012 at 3:44 PM, Franc Carter wrote:
>
> I teminated (ec2 destruction) a node that I was wedged during bootstrap.
> However when I try to removetoken I get 'Token not found'.
>
> It looks a bit li
On Tue, Feb 7, 2012 at 2:17 AM, Patrik Modesto wrote:
> Hi,
>
> I've a strange problem with my test cluster. Calling truncate on a
> small ColumnFamily on idle cluster of 4 nodes returns
> UnavailableException after 10s. That 10s is set in rpc_timeout_in_ms.
Make sure you have JNA, without it the
On Sun, Jan 29, 2012 at 11:52 PM, Ertio Lew wrote:
>
> On Mon, Jan 30, 2012 at 7:16 AM, Frisch, Michael
> wrote:
>>
>> OpsCenter?
>>
>> http://www.datastax.com/products/opscenter
>>
>
> Thanks, that's a great product but unfortunately doesn't work with windows.
Now it does: http://www.datastax.c
On Mon, Jan 9, 2012 at 11:34 AM, Philippe wrote:
> Would this apply to copying data from one cluster to another, assuming I do
> a rolling drain and shutdown ?
> Thanks
Only if the tokens also match 1:1 and you copy to the same tokens. If
they don't match, the easiest thing to do is use the bulk
On Mon, Jan 9, 2012 at 9:14 AM, Brian O'Neill wrote:
>
> What is the fastest way to copy a column family?
> We were headed down the map/reduce path, but that seems silly.
> Any file level mechanisms for this?
Copy all the sstables 1:1 renaming them to the new CF name. Then
create the schema for
On Mon, Jan 9, 2012 at 1:18 AM, Erik Forsberg wrote:
> Hi!
>
> Can the new BulkOutputFormat
> (https://issues.apache.org/jira/browse/CASSANDRA-3045) be used to load data
> to servers running cassandra 0.8.7 and/or Cassandra 1.0.6?
>
> I'm thinking of using jar files from the development version to
On Sat, Jan 7, 2012 at 5:42 PM, Rustam Aliyev wrote:
>> My suggestion is simple: don't use any deprecated stuff out there. In
>> practically any case there is a good reason why it's deprecated.
>
>
> SuperColumns are not deprecated.
The supercolumn API will remain:
https://issues.apache.org/jira/
On Tue, Dec 20, 2011 at 2:24 PM, aaron morton wrote:
> Sorry, got that a little wrong.
>
> At startup the node will use the higher of the current seconds since epoch
> or the stored generation number.
Technically stored generation + 1 so it's always increased on a restart.
-Brandon
On Fri, Dec 16, 2011 at 9:31 PM, Dave Brosius wrote:
> Wow, Java is a lot better than I thought if it can perform that kind of
> magic. I'm guessing the wiki information is just old and out of date. It's
> probably more like 60 + sizeof(key)
With jamm and MAT it's fairly easy to test. The numbe
On Fri, Dec 16, 2011 at 8:52 PM, Kent Tong wrote:
> Hi,
>
> From the source code I can see that for each key, the hash (token), the key
> itself (ByteBuffer) and the position (long. offset in the sstable) are stored
> into the key cache. The hash is an MD5 hash, so it is 16 bytes. So, the total
https://issues.apache.org/jira/browse/CASSANDRA-3497
On Wed, Dec 14, 2011 at 4:52 AM, Radim Kolar wrote:
> Dne 11.11.2011 7:55, Radim Kolar napsal(a):
>
>> i have problem with large CF (about 200 billions entries per node). While
>> i can configure index_interval to lower memory requirements, i s
http://wiki.apache.org/cassandra/FAQ#range_ghosts
On Wed, Dec 14, 2011 at 4:36 AM, Radim Kolar wrote:
> Dne 14.12.2011 1:15, Maxim Potekhin napsal(a):
>
>> Thanks. It could be hidden from a human operator, I suppose :)
>
> I agree. Open JIRA for it.
On Sun, Dec 11, 2011 at 3:23 AM, Caleb Rackliffe wrote:
> Hi All,
>
> I'm trying to start up Cassandra 1.0.5 on a Cent OS 6 machine. I
> installed JNA through yum and made a symbolic link to jna.jar in my
> Cassandra lib directory. When I run "bin/cassandra -f", I get the
> following:
>
> INFO
http://cassandra.apache.org/download/
On Fri, Dec 9, 2011 at 3:37 PM, Maxim Potekhin wrote:
> Hello everyone,
>
> so what's the update on 0.8.8?
>
> Many thanks
>
> Maxim
>
>
>
> On 12/2/2011 4:49 AM, Patrik Modesto wrote:
>>
>> Hi,
>>
>> It's been almost 2 months since the release of the 0.8.7 v
On Fri, Dec 9, 2011 at 1:57 PM, Edward Capriolo wrote:
> Are you taking snapshots? If the file is referenced in a snapshot it will
> not delete until it is also not part of any snapshot.
That isn't true. The file will be removed from the data dir, but
still exist in the snapshot dir.
-Brandon
On Fri, Dec 9, 2011 at 8:03 AM, Alain RODRIGUEZ wrote:
> Hi, I'm running a 4 nodes Cassandra cluster, and I'm facing the same problem
> (node not present on nodetool ring, but unreachable on CLI describe
> cluster...). I'm currently running version 1.0.2, but I have update from
> 0.8.x, the proble
On Thu, Dec 1, 2011 at 1:10 PM, huyle wrote:
> The clocks are very sync'ed between the nodes as they have ntp running
> hitting our time servers.
Maybe they weren't 3 days after the token left, which
https://issues.apache.org/jira/browse/CASSANDRA-2961 requires.
If a node sees the token you can
On Thu, Dec 1, 2011 at 12:26 PM, huyle wrote:
> Hi,
>
> We have 2 nodes have been decommissioned from the cluster running 1.0.3.
> However, the live nodes still making references to the decommissioned nodes
> 3 days after the nodes were decommissioned. Nodetool does not show the
> decommissioned
On Wed, Nov 30, 2011 at 1:29 PM, Michael Vaknine wrote:
> The files are not on the site
> The requested URL /apache//cassandra/1.0.5/apache-cassandra-1.0.5-bin.tar.gz
> was not found on this server.
It takes the mirrors some time to sync.
-Brandon
On Fri, Nov 18, 2011 at 4:23 PM, Anthony Ikeda
wrote:
> This is the setup:
> Cassandra 0.8.6
> 3 nodes
> Keyspace: NetworkTopologyStrategy, 1DC, RF=2
>
> 1 node goes down and we cannot read from the ring.
>
> My expectation is that LOCAL_QUORUM dictates that it will return a record
> once a major
On Mon, Nov 14, 2011 at 2:49 PM, Giannis Neokleous
wrote:
> Hello everyone,
>
> We're using the bulk loader to load data every day to Cassandra. The
> machines that use the bulkloader are diferent every day so their IP
> addresses change. When I do "describe cluster" i see all the unreachable
> no
On Mon, Nov 14, 2011 at 8:06 AM, Michael Vaknine wrote:
> Well,
> I tried to delete the hints on the failed cluster but I could not start it
> I got other errors such as
>
> ERROR [MutationStage:34] 2011-11-14 15:37:43,813
> AbstractCassandraDaemon.java (line 133) Fatal exception in thread
> Threa
On Mon, Nov 14, 2011 at 7:53 AM, Michael Vaknine wrote:
> Does this means that I have to wait to 1.0.3?
In the meantime you can just delete the hints and rely on read repair
or antientropy repair if you're concerned about the consistency of
your replicas.
-Brandon
On Mon, Nov 14, 2011 at 1:21 AM, Michael Vaknine wrote:
> Hi,
>
> After configuring the encryption on Cassandra.yaml I get this error when
> upgrading from 1.0.0 to 1.0.2
> Attached the log file with the errors.
https://issues.apache.org/jira/browse/CASSANDRA-3466
-Brandon
On Sun, Nov 13, 2011 at 7:25 PM, Maxim Potekhin wrote:
> Each row represents a computational task (a job) executed on the grid or in
> the cloud. It naturally has a timestamp as one of its attributes,
> representing the time of the last update. This timestamp
> is used to group the data into "buck
On Sun, Nov 13, 2011 at 6:55 PM, Maxim Potekhin wrote:
> Thanks to all for valuable insight!
>
> Two comments:
> a) this is not actually time series data, but yes, each item has
> a timestamp and thus chronological attribution.
>
> b) so, what do you practically recommend? I need to delete
> half
On Sun, Nov 13, 2011 at 5:57 PM, Maxim Potekhin wrote:
> I've done more experimentation and the behavior persists: I start with a
> normal dataset which is searcheable by a secondary index. I select by that
> index the entries that match a certain criterion, then delete those. I tried
> two method
erstand why version 1.0.0 was not affected since I used the same
> configuration yaml file.
>
> Thank you.
> Michael Vaknine
>
>
> -----Original Message-
> From: Brandon Williams [mailto:dri...@gmail.com]
> Sent: Sunday, November 13, 2011 4:48 PM
> To: us
On Sun, Nov 13, 2011 at 4:35 AM, Michael Vaknine wrote:
> I am trying to upgrade to 1.0.2 and when I try to start the first upgraded
> server I get the following error
>
>
>
> ERROR [WRITE-/10.5.6.102] 2011-11-13 10:20:37,447
> AbstractCassandraDaemon.java (line 133) Fatal exception in thread
> Th
On Wed, Nov 9, 2011 at 1:28 AM, Patrik Modesto wrote:
> Hi,
>
> on our production cluster of 8 nodes which is running cassandra 0.8.7
> we still see in the MBean
> "org.apache.cassandra.db:type=StorageService.LoadMap" in JMX
> Management console the 9th node we added for testing for a short time.
On Mon, Nov 7, 2011 at 7:36 PM, Arsene Lee
wrote:
> Hi,
>
> Thanks for the replay. I'm not talking about the column name. I'm talking
> about the column metadata's column name. Right now cli can't not display the
> column's meta name correctly if the comparator type is not UTF8.
Try 'help assum
On Fri, Nov 4, 2011 at 9:50 PM, Jim Newsham wrote:
> Our use case is time-series data (such as sampled sensor data). Each row
> describes a particular statistic over time, the column name is a time, and
> the column value is the sample. So it makes perfect sense to want to delete
> columns for a
On Sat, Nov 5, 2011 at 1:31 PM, Jake Maizel wrote:
> If we upgrade and want to use compression, how is the old data handled?
> Does it read and then write all sstables out to new compressed files one at
> a time or do something else? I'm considering the storage require on top of
> what is needed
On Fri, Nov 4, 2011 at 9:19 PM, Jim Newsham wrote:
> - Bulk column deletion by (column name) range. Without this feature, we are
> forced to perform a range query and iterate over all of the columns,
> deleting them one by one (we do this in a batch, but it's still a very slow
> approach). See C
On Fri, Nov 4, 2011 at 7:49 AM, Gary Shi wrote:
> I want to save time series event logs into Cassandra, and I need to load
> them by key range (row key is time-based). But we can't use
> RandomPartitioner in this way, while OrderPreservingPartitioner leads to hot
> spot problem.
You should read t
On Thu, Nov 3, 2011 at 2:05 PM, Ertio Lew wrote:
> Retrieving columns by names vs by range which is more performant , when you
> have the options to do both ?
Assuming the columns have never been overwritten, range has a small advantage.
However, in the face of frequently updated (overwritten) c
On Tue, Nov 1, 2011 at 11:17 AM, Tamas Marki wrote:
> Hello,
>
> I'm new to the list and also to Cassandra. I found it when I was searching
> for something to replace our busy mysql server.
>
> One of the things we use the server for is filtering IPs based on a list of
> IP ranges. These ranges ca
On Thu, Oct 27, 2011 at 3:25 PM, RobinUs2 wrote:
> It seems that org.apache.cassandra.auth.SimpleAuthenticator is missing in the
> cassandra 1.0 binaries. Is this on purpose or did I found a bug?
>From NEWS.txt:
- The SimpleAuthenticator and SimpleAuthority classes have been moved to
t
On Fri, Oct 14, 2011 at 2:36 PM, Eric Czech wrote:
> Thanks again. I have truncated certain cf's recently and the cli didn't
> complain and listings of the cf rows return nothing after truncation. Is
> that data not actually deleted?
Hmm, well, now I'm confused because if 3259 is your problem t
On Thu, Oct 13, 2011 at 11:33 PM, Eric Czech wrote:
> Thanks Brandon! Out of curiosity, would making schema changes through a
> thrift interface (via hector) be any different? In other words, would using
> hector instead of the cli make schema changes possible without upgrading?
No, but if the
On Thu, Oct 13, 2011 at 1:17 PM, Scott Fines wrote:
> When I look at the source for ColumnFamilyInputFormat, it appears that it
> does a call to client.describe_ring; when you do the equivalent call with
> nodetool, you get the 10.1.1.* addresses. This seems to indicate to me that
> I should
ts.
>
> Scott
> ________
> From: Brandon Williams [dri...@gmail.com]
> Sent: Monday, October 10, 2011 12:28 PM
> To: user@cassandra.apache.org
> Subject: Re: MapReduce with two ethernet cards
>
> On Mon, Oct 10, 2011 at 11:47 AM, Scott Fines wrote:
>> Hi all,
>>
You're running into https://issues.apache.org/jira/browse/CASSANDRA-3259
Try upgrading and doing a rolling restart.
-Brandon
On Thu, Oct 13, 2011 at 9:11 AM, Eric Czech wrote:
> Nope, there was definitely no intersection of the seed nodes between the two
> clusters so I'm fairly certain that th
Anything from the OOM killer in the last few lines from dmesg?
On Wed, Oct 12, 2011 at 1:33 PM, Ashley Martens wrote:
> Ubuntu 10.10
>
> java version "1.6.0_20"
> OpenJDK Runtime Environment (IcedTea6 1.9.9) (6b20-1.9.9-0ubuntu1~10.10.2)
> OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)
>
>
On Tue, Oct 11, 2011 at 4:24 PM, Pete Warden wrote:
> I'm trying to run the most basic example for pig_cassandra, counting the
> number of rows in a column family, and I'm hitting the following error:
> 2011-10-11 14:13:32,321 [main] ERROR org.apache.pig.tools.grunt.Grunt -
> ERROR 1031: Incompata
On Tue, Oct 11, 2011 at 12:19 PM, Yang wrote:
> I find the info about bloomfilter very helpful, could we add that to NodeCmd ?
Feel free to create a ticket and tag it 'lhf'
-Brandon
On Tue, Oct 11, 2011 at 2:36 AM, Peter Schuller
wrote:
> Google/check wiki/read docs about NetworkTopologyStrategy and
> PropertyFileSnitch. I don't have a good link to multi-dc off hand
> (anyone got a good link to suggest that goes through this?).
http://www.datastax.com/docs/0.8/cluster_archit
On Mon, Oct 10, 2011 at 11:47 AM, Scott Fines wrote:
> Hi all,
> This may be a silly question, but I'm at a bit of a loss, and was hoping for
> some help.
> I have a Cassandra cluster set up with two NICs--one for internel
> communication between cassandra machines (10.1.1.*), and one to respond t
On Mon, Oct 10, 2011 at 11:51 AM, hani elabed wrote:
> Hi Aaron,
> I can help with the documentation... I grabbed tons of screenshots as I was
> installing Cassandra source trunk(1.0.0.rc2?) on my Mac OS X Snow leopard on
> Eclipse Galileo and later Eclipse Indigo, I will be installing it on Eclip
On Thu, Oct 6, 2011 at 3:56 PM, aaron morton wrote:
> -If you perform a query for a specific row key and a column name, does
> it read the most recent SSTable first and if it finds a hit, does it
> stop there or does it need to read through all the SStables (to find
> most recent one) regardless o
On Tue, Oct 4, 2011 at 2:00 PM, Sorin Julean wrote:
> Hi,
>
> Did anyone used a dedicated interfaces and LAN / VLAN for gossip traffic ?
>
> Any benefits in such approach ?
I don't think there is any substantial benefit to doing this, but also
it's impossible: gossip is not separate from the st
On Mon, Oct 3, 2011 at 3:57 PM, Ramesh Natarajan wrote:
> Thanks Aaron. The ms in the latency is it microseconds or milliseconds?
> I ran the 2 commands at the same time. I was expecting the values to be in
> the some what similar but from my output earlier , you can see the median
> in read late
On Sun, Sep 25, 2011 at 1:10 PM, Yang wrote:
> Thanks Brandon.
>
> I'll try this.
>
> but you can also see my later post regarding message drop :
> http://mail-archives.apache.org/mod_mbox/cassandra-user/201109.mbox/%3ccaanh3_8aehidyh9ybt82_emh3likbcdsenrak3jhfzaj2l+...@mail.gmail.com%3E
>
> that
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